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Proceedings / Volume 137 / Issue 40700 / SEISMIC DESIGN CONCEPTS

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Evaluation of Modal and FEMA Pushover Analysis Procedures Using Recorded Motions of Two Steel Buildings

ASCE Conf. Proc. doi:http://dx.doi.org/10.1061/40700(2004)76

Structures — Building on the Past: Securing the Future
Proceedings of Structures Congress 2004
Rakesh K. Goel, M.ASCE

Department of Civil & Environmental Engineering, California Polytechnic State University, San Luis Obispo, CA 93407

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  • Abstract
The objective of this investigation is to evaluate the FEMA‐356 Nonlinear Static Procedure (NSP) and a recently developed Modal Pushover Analysis (MPA) procedure using recorded motions of two steel buildings that were damaged during the 1994 Northridge earthquake. It is found that the FEMA‐356 NSP typically underestimates the drifts in upper stories. Among the four FEMA‐356 distributions considered, the “Uniform” distribution led to the most excessive underestimation indicating that this distribution may be unnecessary. The MPA procedure, in general, provides much‐improved estimates of the response compared to the FEMA‐356 NSP.

© 2004 ASCE

KEYWORDS

ASCE SUBJECT HEADINGS

Steel structures, Earthquakes, Damage

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1061/40700(2004)76

PUBLICATION DATA

ISBN:

0‐7844‐0700‐2

Publisher

ASCE

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